On 2014-06-01 an article documenting recent advances in wiffleball formation was posted to the arXiv e-print service. This article is currently going through the publication process. Publication details will be posted here when they become available.
2014-06-13: Low-Cost Fusion Project Steps Out of the Shadows and Looks for Money
2014-10-16: How Lockheed Martin's Power Play Could Boost Fervor Over Fusion
2014-06-25: Fusion's restless pioneers (subscription required)
One may read the Polywell portion via this preview.
University of Maryland Physics Department Colloquium 2014-09-09: This is a good overall talk to introduce the Polywell and the recent advances by Energy Matter Conversion Corporation.
16th US-Japan Workshop on Fusion Neutron Sources for Nuclear Assay and Alternate Applications, U. Wisconsin, 10-1-2014: This presentation expands on the previous one with additional information on WB-7 and WB-8 low beta mode operation.
Microsoft Research: Visiting Speaker Series: Good introductory materials for Polywell fusion research. Just under the video, one can download the presenation deck in PDF format.
The Wikipedia article on Polywell provides a very good history of Polywell research.
2014-03-03: The New Yorker provides a thorough review of the fusion research history that led to ITER
2014-07-23: Nature discusses Tri Alpha Energy and General Fusion
2014-08-14: The Wall Street Journal on Helion Energy's raising $1.5 million from Y Combinator and Mithril Capital
2014-10-10: NBC News reports on the Dynomak concept from the University of Washington
2014-10-15: Aviation Week reports on Lockheed Martin's Skunk Works Reveals Compact Fusion Reactor Details
2014-10-17: Are old secrets behind Lockheed's new fusion machine? in Science
2014-11-21: Nature reports that ITER's new chief will shake up troubled fusion reactor
2014-12-19: Science says the U.S. fusion effort melts down (hosted at fire.PPPL.gov)
2015-01-13: Bloggers at The Hill argue that the U.S. fusion program must have energy mission
2015-01-20: The Huffington Post covers some of the reasons Why It's Taking the U.S. So Long to Make Fusion Energy Work